Question 1

The endosymbiotic theory states that mitochondria originated from

Accepted Answer

A) a routine step in evolution. 
B) the fusion of several prokaryotes. 
C) purple bacteria entering and remaining in the cytoplasm of another cell. 
D) the slow evolution of various organelles over millions of years, particularly during the time of the dinosaurs. 
E) a long, intense period of lightning. 
A) a routine step in evolution. 
B) the fusion of several prokaryotes. 
C) purple bacteria entering and remaining in the cytoplasm of another cell. 
D) the slow evolution of various organelles over millions of years, particularly during the time of the dinosaurs. 
E) a long, intense period of lightning.

Question 2

The ATP synthase complex in the thylakoid membrane

Accepted Answer

A) contains an embedded CF₁ component and a protruding CFo component. 
B) is identical to the FoF₁ complex of mitochondria. 
C) performs photophosphorylation in oxygenic phototrophs. 
D) contains an assembly of hydrophobic polypeptides that function in ATP synthesis. 
E) all of the above 
A) contains an embedded CF₁ component and a protruding CFo component. 
B) is identical to the FoF₁ complex of mitochondria. 
C) performs photophosphorylation in oxygenic phototrophs. 
D) contains an assembly of hydrophobic polypeptides that function in ATP synthesis. 
E) all of the above

Question 3

Photoheterotrophs are best described as organisms that obtain energy to make ATP

Accepted Answer

A) from organic compounds but use sunlight to produce carbon sources. 
B) and organic compounds from sunlight. 
C) from sunlight but cannot make organic compounds from CO₂. 
D) from some forms of chemicals. 
E) from organic compounds. 
A) from organic compounds but use sunlight to produce carbon sources. 
B) and organic compounds from sunlight. 
C) from sunlight but cannot make organic compounds from CO₂. 
D) from some forms of chemicals. 
E) from organic compounds.

Question 4

Diatoms have both chorophyll a and chlorophyll ________.

Accepted Answer

The answer of Diatoms have both chorophyll a and chlorophyll...

Question 5

In a chloroplast,the stroma is the

Accepted Answer

A) cytochromes associated with the thylakoids. 
B) stack of thylakoids. 
C) region between in the inner and outer membranes. 
D) connection between the grana. 
E) central semifluid region. 
A) cytochromes associated with the thylakoids. 
B) stack of thylakoids. 
C) region between in the inner and outer membranes. 
D) connection between the grana. 
E) central semifluid region.

Question 6

The Hatch-Slack cycle occurs in which of the following types of plants?

Accepted Answer

A) algae 
B) C₃ plants 
C) C₄ plants 
D) tropical grasses 
E) both choices C and D 
A) algae 
B) C₃ plants 
C) C₄ plants 
D) tropical grasses 
E) both choices C and D

Question 7

The light-dependent generation of NADPH is referred to as ________.

Accepted Answer

The answer of The light-dependent generation of NADPH is referred...

Question 8

Of the following plastids,which is not paired with the proper contents?

Accepted Answer

A) amyloplasts; amylase 
B) chromoplasts; non-chlorophyll pigments 
C) chloroplasts; chlorophyll 
D) proteinoplasts; protein 
E) elaioplasts; lipids 
A) amyloplasts; amylase 
B) chromoplasts; non-chlorophyll pigments 
C) chloroplasts; chlorophyll 
D) proteinoplasts; protein 
E) elaioplasts; lipids

Question 9

Which of the following is not an accessory pigment used to absorb photons that cannot be captured by chlorophyll?

Accepted Answer

A) beta-carotene 
B) a phycobilin 
C) lutein 
D) phycochlorophyll 
E) phycocyanin 
A) beta-carotene 
B) a phycobilin 
C) lutein 
D) phycochlorophyll 
E) phycocyanin

Question 10

Carbon dioxide generally enters the plant through pores called

Accepted Answer

A) mesophyll. 
B) stomata. 
C) the cuticle. 
D) connexons. 
E) bacteriochlorophylls. 
A) mesophyll. 
B) stomata. 
C) the cuticle. 
D) connexons. 
E) bacteriochlorophylls.

Question 11

The Emerson enhancement effect

Accepted Answer

A) was proposed by Robert Emerson in the 1980s. 
B) states that there are three or four separate photoreactions. 
C) is a synergistic phenomenon. 
D) is the result of two distinct photosystems. 
E) both choices C and D 
A) was proposed by Robert Emerson in the 1980s. 
B) states that there are three or four separate photoreactions. 
C) is a synergistic phenomenon. 
D) is the result of two distinct photosystems. 
E) both choices C and D

Question 12

NADP⁺ is the coenzyme of choice in ________ reactions,while NAD⁺ is the coenzyme of choice in ________ reactions.

Accepted Answer

A) anabolic; catabolic 
B) catabolic; anabolic 
C) metabolic; anabolic 
D) anabolic; both catabolic and anabolic 
E) both catabolic and anabolic; catabolic 
A) anabolic; catabolic 
B) catabolic; anabolic 
C) metabolic; anabolic 
D) anabolic; both catabolic and anabolic 
E) both catabolic and anabolic; catabolic

Question 13

Match between columns
                        Premises: electron transport
concentration of protons
sucrose synthesis
starch synthesis

Accepted Answer

The Answer of ribosomes and matrix and thylakoid lumen and is...

Question 14

When atmospheric carbon dioxide concentrations decrease,the ________ cycle gives C₄ plants an advantage over C₃ when it comes to fixation.

Accepted Answer

The answer of When atmospheric carbon dioxide concentrations decrease,the ________...

Question 15

Chlorophyll is comprised of a central ________ containing a(n)________ ion and a(n)________ side chain.

Accepted Answer

porphyrin

Question 16

Light behaves as a stream of discrete particles called ________,each carrying a ________ (indivisible packet)of energy.

Accepted Answer

The answer of Light behaves as a stream of discrete...

Question 17

Which three organelles are involved in the glycolate pathway?

Accepted Answer

A) lysosome, chloroplast, rough endoplasmic reticulum 
B) mitochondrion, nucleus, lysosome 
C) peroxisome, smooth endoplasmic reticulum, chloroplast 
D) peroxisome, chloroplast, mitochondrion 
E) Golgi complex, peroxisome, lysosome 
A) lysosome, chloroplast, rough endoplasmic reticulum 
B) mitochondrion, nucleus, lysosome 
C) peroxisome, smooth endoplasmic reticulum, chloroplast 
D) peroxisome, chloroplast, mitochondrion 
E) Golgi complex, peroxisome, lysosome

Question 18

The proplastids associated with giving flowers and fruits their distinctive colors are the

Accepted Answer

A) chloroplasts. 
B) elaioplasts. 
C) amyloplasts. 
D) chromoplasts. 
E) plastids. 
A) chloroplasts. 
B) elaioplasts. 
C) amyloplasts. 
D) chromoplasts. 
E) plastids.

Question 19

The process by which photosynthetic organisms use light energy for ATP production is known as

Accepted Answer

A) photorespiration. 
B) photosynthesis. 
C) phototaxis. 
D) photophosphorylation. 
E) photoligase 
A) photorespiration. 
B) photosynthesis. 
C) phototaxis. 
D) photophosphorylation. 
E) photoligase

Question 20

Bacteria do not have organelles.How are they able to carry out photosynthesis?

Accepted Answer

A) They are parasites of plants that do have organelles. 
B) They interact in a symbiotic relationship with eukaryotic plants. 
C) They use their cell membrane to carry out photosynthesis. 
D) DNA in the nucleoid captures solar energy. 
E) 70S ribosomes function as photosystems. 
A) They are parasites of plants that do have organelles. 
B) They interact in a symbiotic relationship with eukaryotic plants. 
C) They use their cell membrane to carry out photosynthesis. 
D) DNA in the nucleoid captures solar energy. 
E) 70S ribosomes function as photosystems.

Exam 11: Phototrophic Energy Metabolism: Photosynthesis

The endosymbiotic theory states that mitochondria originated from

The ATP synthase complex in the thylakoid membrane

Photoheterotrophs are best described as organisms that obtain energy to make ATP

Diatoms have both chorophyll a and chlorophyll ________.

In a chloroplast,the stroma is the

The Hatch-Slack cycle occurs in which of the following types of plants?

The light-dependent generation of NADPH is referred to as ________.

Of the following plastids,which is not paired with the proper contents?

Which of the following is not an accessory pigment used to absorb photons that cannot be captured by chlorophyll?

Carbon dioxide generally enters the plant through pores called

The Emerson enhancement effect

NADP⁺ is the coenzyme of choice in ________ reactions,while NAD⁺ is the coenzyme of choice in ________ reactions.

When atmospheric carbon dioxide concentrations decrease,the ________ cycle gives C₄ plants an advantage over C₃ when it comes to fixation.

Chlorophyll is comprised of a central ________ containing a(n)________ ion and a(n)________ side chain.

Light behaves as a stream of discrete particles called ________,each carrying a ________ (indivisible packet)of energy.

Which three organelles are involved in the glycolate pathway?

The proplastids associated with giving flowers and fruits their distinctive colors are the

The process by which photosynthetic organisms use light energy for ATP production is known as

Bacteria do not have organelles.How are they able to carry out photosynthesis?

A Preview of the Cell

The Chemistry of the Cell

The Macromolecules of the Cell

Cells and Organelles

Bioenergetics: the Flow of Energy in the Cell

Enzymes: the Catalysts of Life

Membranes: Their Structure, function, and Chemistry

Transport Across Membranes: Overcoming the Permeability Barrier

Chemotrophic Energy Metabolism: Glycolysis and Fermentation

Chemotrophic Energy Metabolism: Aerobic Respiration

The Endomembrane System and Peroxisomes

Signal Transduction Mechanisms: Ielectrical and Synaptic Signaling in Neurons

Signal Transduction Mechanisms: Iimessengers and Receptors

Cytoskeletal Systems

Cellular Movement: Motility and Contractility

Beyond the Cell: Cell Adhesions, cell Junctions, and Extracellular Structures

The Structural Basis of Cellular Information: DNA, chromosomes, and the Nucleus

The Cell Cycle, DNA Replication, and Mitosis

Sexual Reproduction, meiosis, and Genetic Recombination

Gene Expression: Ithe Genetic Code and Transcription

Gene Expression: Iiprotein Synthesis and Sorting

The Regulation of Gene Expression

Cancer Cells

Filters

NADP⁺ is the coenzyme of choice in reactions,while NAD⁺ is the coenzyme of choice in reactions.

Chlorophyll is comprised of a central containing a(n) ion and a(n) side chain.

Light behaves as a stream of discrete particles called ,each carrying a (indivisible packet)of energy.